CTM TAC FUKU-2 Skeleton Upper receiver for AAP-01

Featuring CTM's all new design which has numerous cosmetic and functional changes that enhances performance and increase durability! Package Contents: CNC Upper *1CNC Bucket *1CNC Cover *1CNC Front sight *1CNC Rear sight *1RMR Mount Decorative Cover *1Green fiber (2mm*60mm) *2 Stainless steel Hex Socket Flat Head Cap Screws : m2.5x4 *1m3x5 *6m3x8 *6 Main Features: 1. New lighter and stronger design.2. Reinforced screw hole design to ensure higher strength and tighter tolerance.3. Forward mounted RMR and improved iron sights allow for a better and more accurate sight picture.4. Cross compatibility for outer barrels (buckets) between original Fuku-2 and Fuku-2 Skeleton5. Wider hop-up compatibility allows for the use of TDC, Rotary, and standard hop-up units.